At least nine people were shot between 11:10 p.m. Saturday and 5 a.m. Sunday, according to Chicago police, including four outside a West Side club about 3 a.m.

Three men and a woman were shot outside The Supper Club on the 2700 block of West Madison Street in the East Garfield Park neighborhood. The four victims told police they they had left the crowded club and were walking eastbound on Madison when a man in his 20s who was refused entry earlier came back to the scene and opened fire, hitting the four before fleeing on foot, police said.

A 33-year-old woman was shot in the abdomen, a 17-year-old man was shot in the right thigh, an 18-year-old man was shot in the buttocks, and a 21-year-old man suffered a gunshot wound to the groin, police said.

The woman, a mother of three who is employed in the Chicago Tribune packaging department according to family, was at the club for a large birthday party with three other friends. One of those friends was driving away westbound on Madison when the shooting started.

"I got down in my car," the woman said. "I heard the shells hitting my tires, I made a U-turn and she was on the ground."

The victim was "conscious" at the scene, her friend said, and was taken to John H. Stroger, Jr. Hospital of Cook County by someone driving a pickup truck. She was in surgery from 4 a.m. until 9:30 a.m., her friend said. The victim's aunt, Felice Dumas, said at the hospital this morning that "She's doing great."

The victim's friend said that a lot of people were inside the club. Of the shooting, she said, "It's shocking and I'm not surprised the incident happened. ... It's crazy nowadays."

The victims said they did not know the gunman, who was described as being about 5 feet 9 inches tall weighing 150 pounds, with dreadlocks and wearing a light colored hoodie and blue jeans, police said. It's not clear why the shooter was kept out of the club, police said.

Police found blood and several shell casings on the sidewalk where the four were shot and said that two of the victims were driven by a private SUV to University of Illinois Medical Center at Chicago Hospital. It wasn't immediately clear how the other two victims made it to the hospitals — Chicago Fire Department ambulances did not take them. One of those two was first taken to Mt. Sinai Hospital, police said.

All four ended up at Stroger hospital, where they were initially listed in serious condition.

It was not clear if the victims know each other but none have the same last name. No gun was recovered and the assailant was not in custody, police said.

According to a Harrison District police lieutenant, while The Supper Club was "packed and overflowing" with patrons, it is not an establishment that usually has disturbances or police activity. The lieutenant also said "They're off the radar"’ for shootings.

About an hour later, a man in his 20s was shot in the chest and found dead inside an apartment on the 2600 block of South Tripp Avenue in the Little Village neighborhood, authorities said.

The Cook County medical examiner's office was notified of the death after 5 a.m., a spokeswoman for the office said.

About 5 a.m., a man was shot in the area around Kedzie Avenue and Washington Boulevard in East Garfield Park, police said. He was shot in the chest and the wound appears to be self-inflicted, though it's not clear if it was an attempted suicide or an accident, police said.

Elsewhere, two men were shot on the South Side and another man was shot on the North Side.

A 27-year-old man was shot in the left leg and right foot on the 1400 block of West Morse Avenue in the Rogers Park neighborhood about 1:50 a.m. He was walking on a sidewalk when someone in a gray car opened fire while passing by, police said. The man was taken to St. Francis Hospital in Evanston in good condition.

It was the second shooting in that area over the last two days. Several gunmen targeted a van carrying four people stopped at the intersection of Morse and Greenview avenues overnight Friday, police said. The van's four occupants were taken to area hospitals with minor injuries, police said.

A 24-year-old man was shot in the left arm about 12:15 a.m. on the 6500 block of South Campbell Avenue in the Marquette Park neighborhood. Someone ran up to the man and started shooting, police said. He was taken to Holy Cross Hospital in stable condition.

About 11:10 p.m. Saturday, the 23-year-old driver of a gray car was shot by someone standing on the 8000 block of South Paulina Street on the South Side, police said. He was shot in the abdomen and lower back near the intersection of 81st and Paulina Streets in the Gresham neighborhood and was taken to Advocate Christ Medical Center in serious condition, police said.